How would you like to use PONS.com?

Already a PONS subscriber?

PONS with ads

Go to PONS.com as usual with ad tracking and advertisements.

You can find details of tracking in Information about data protection and under Privacy settings.

PONS Pur

without advertising by third parties

without ad tracking

Subscribe now

If you already have a user account for PONS.com, then you can subscribe to PONS Pur here.

in the PONS Dictionary

undo <undid, undone> [ʌnˈdu:] VB trans

1. undo (unfasten):

undo
rozpinać [perf rozpiąć]
undo string
rozwiązywać [perf rozwiązać]

2. undo (remove effects):

undo
naprawiać [perf naprawić]
Present
Iundo
youundo
he/she/itundoes
weundo
youundo
theyundo
Past
Iundid
youundid
he/she/itundid
weundid
youundid
theyundid
Present Perfect
Ihaveundone
youhaveundone
he/she/ithasundone
wehaveundone
youhaveundone
theyhaveundone
Past Perfect
Ihadundone
youhadundone
he/she/ithadundone
wehadundone
youhadundone
theyhadundone